Home / 259,511.30-388,806.15-160,900.10

Finding the Fourth Proportional to 259,511.30, 388,806.15 and 160,900.10

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Solution

The fourth proportional to 259,511.30, 388,806.15 and 160,900.10 is: 241,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,511.30 : 388,806.15 = 160,900.10 : x
  2. Step 2: Convert to fraction form
    259,511.30/388,806.15 = 160,900.10/x
  3. Step 3: Cross multiply
    259,511.30x = 388,806.15 × 160,900.10
  4. Step 4: Simplify right side
    259,511.30x = 62,558,948,415.62
  5. Step 5: Solve for x
    x = 62,558,948,415.62/259,511.30
  6. Step 6: Final answer
    x = 241,064.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.